1140311423020 has 96 divisors (see below), whose sum is σ = 2986642907136. Its totient is φ = 355290758400.

The previous prime is 1140311422973. The next prime is 1140311423023. The reversal of 1140311423020 is 203241130411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1140311422982 and 1140311423000.

It is not an unprimeable number, because it can be changed into a prime (1140311423023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4086069 + ... + 4356211.

It is an arithmetic number, because the mean of its divisors is an integer number (31110863616).

Almost surely, 2^{1140311423020} is an apocalyptic number.

1140311423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140311423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493321453568).

1140311423020 is an abundant number, since it is smaller than the sum of its proper divisors (1846331484116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140311423020 is a wasteful number, since it uses less digits than its factorization.

1140311423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272911 (or 272909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1140311423020 its reverse (203241130411), we get a palindrome (1343552553431).

The spelling of 1140311423020 in words is "one trillion, one hundred forty billion, three hundred eleven million, four hundred twenty-three thousand, twenty".